Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 925 [Rate centres in NPA 925] [Dial plan for NPA 925]

NXX: 316

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
925-316 A Martinez CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-316 0 Martinez CA OKLDCAEB0MD  073H TELNYX LLC 722      
925-316 1 Martinez CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-316 2 Martinez CA OKLDCAMP1MD  4733 PAETEC COMMUNICATIONS, INC. - CA 722      
925-316 3 Martinez CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-316 4 Martinez CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
925-316 5 Martinez CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-316 6 Martinez CA SNFCCAMMDS0  485E ASTOUND BROADBAND, LLC - CA 722      
925-316 7 Martinez CA SNVACAHZ0MD  508J CENTURYLINK COMMUNICATIONS, LLC 722      
925-316 8 Martinez CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-316 9 Martinez CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.